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author | Alex AUVOLAT <alex.auvolat@ens.fr> | 2014-03-28 09:44:01 +0100 |
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committer | Alex AUVOLAT <alex.auvolat@ens.fr> | 2014-03-28 09:44:01 +0100 |
commit | bdce62a91076aa1a076d484ce1d8564a8ba0988f (patch) | |
tree | 27fae66616a07caaa18fbbf7ce1c39d91fea6d29 /sos-code-article6/hwcore/i8259.h | |
parent | b5dc9d799f8eca793a4fd1d9b5111155ae6af6d8 (diff) | |
download | SOS-bdce62a91076aa1a076d484ce1d8564a8ba0988f.tar.gz SOS-bdce62a91076aa1a076d484ce1d8564a8ba0988f.zip |
Import article 5, does not compile.
Diffstat (limited to 'sos-code-article6/hwcore/i8259.h')
-rw-r--r-- | sos-code-article6/hwcore/i8259.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sos-code-article6/hwcore/i8259.h b/sos-code-article6/hwcore/i8259.h new file mode 100644 index 0000000..0820524 --- /dev/null +++ b/sos-code-article6/hwcore/i8259.h @@ -0,0 +1,40 @@ +/* Copyright (C) 2004 David Decotigny + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + USA. +*/ +#ifndef _SOS_i8259_H_ +#define _SOS_i8259_H_ + +#include <sos/errno.h> + +/** + * @file i8259.h PIC + * + * PIC Management routines. See the Intel 8259A datasheet (on kos + * website), page 9+. Should be not be used directly: only interrupt.c + * should use this. + * + * @see i8259A datasheet on Kos website. + */ + +/** Setup PIC and Disable all IRQ lines */ +sos_ret_t sos_i8259_subsystem_setup(void); + +sos_ret_t sos_i8259_enable_irq_line(int numirq); + +sos_ret_t sos_i8259_disable_irq_line(int numirq); + +#endif /* _SOS_i8259_H_ */ |